Home / 3,900.24-5,854.95-3,079.08

Finding the Fourth Proportional to 3,900.24, 5,854.95 and 3,079.08

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Solution

The fourth proportional to 3,900.24, 5,854.95 and 3,079.08 is: 4,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.24 : 5,854.95 = 3,079.08 : x
  2. Step 2: Convert to fraction form
    3,900.24/5,854.95 = 3,079.08/x
  3. Step 3: Cross multiply
    3,900.24x = 5,854.95 × 3,079.08
  4. Step 4: Simplify right side
    3,900.24x = 18,027,859.45
  5. Step 5: Solve for x
    x = 18,027,859.45/3,900.24
  6. Step 6: Final answer
    x = 4,622.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.